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HP 2910-48G-PoE+ al Managed Switch (J9148A)

Stackable L2/L3 managed business switch that powers cameras and Wi-Fi access points without an extra mains socket. Switching capacity 176 Gbps for a busy network.

  • 44 Gigabit RJ-45 ports + 4 dual-personality RJ-45/mini-GBIC ports
  • Powers IP cameras, Wi-Fi access points and IP phones over the network cable
  • L2/L3 management: IP routing, DHCP, IGMP snooping
  • Switching capacity 176 Gbps, throughput up to 131 Mpps
  • Stackable
  • Link aggregation (LACP) and Spanning Tree for redundancy
  • Management via command line, web browser or HP PCM+
  • RJ-45 console port and RS-232C out-of-band management
Ref.: J9148A
HP 2910-48G-PoE+ al Managed Switch (J9148A) — image 1

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  • Ports : the number and type of ports (RJ45, SFP, PoE) differ between models of a single series, which nevertheless shares one photo.
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3 299,00 DHincl. VAT

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Product overview

HP 2910-48G-PoE+ al managed switch - Switching capacity: 176 Gbit/s - Forwarding rate: 131 Mpps - 44 × 10/100/1000 ports, 4 dual-personality ports (10/100/1000 RJ-45 or mini-GBIC), 1 RJ-45 serial console port - Layer 3, Layer 2, DHCP, IP routing - Internal memory: 512 MB - Dual ARM1156T2S processor at 515 MHz - 5.88 kg

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Technical specifications

Technical specifications
Internal memory512 MB RAM, 4 MB flash memory
Interfaces44 auto-sensing 10/100/1000 ports (10BASE-T IEEE 802.3 type, 100BASE-TX IEEE 802.3u type, 1000BASE-T IEEE 802.3ab type), media type: auto-MDIX, duplex: 10BASE-T/100BASE-TX: half or full, 1000BASE-T: full only, 4 dual-personality ports, each usable as a 10/100/1000 RJ-45 port (10Base-T IEEE 802.3 type, 100Base-TX IEEE 802.3u type, Gigabit Ethernet 1000Base-T IEEE 802.3ab) or as a mini-GBIC port (for mini-GBIC transceivers), 1 RJ-45 serial console port
Switching capacity176 Gbps
Forwarding rate131 Mpps
Management modesWeb interface, CLI, SNMP v1/v2c/v3, four-group RMON (RFC 2819), sFlow (RFC 3176), XRMON, IEEE 802.1AB LLDP and ANSI/TIA-1057 LLDP-MED, out-of-band management (RS-232C serial)
Cloud management platformNone
Layer 2 featuresLayer 2 and 3 switching, flow control, link aggregation, spanning tree (STP), IGMP snooping, jumbo frames, rate limiting, broadcast storm control, port mirroring, auto MDI/MDI-X
IP routingIP routing, DHCP client and server, 2,000-entry routing table
Stacking and expansionStackable
Quality of service (QoS)Yes
Power consumption556 W
Included softwareHP PCM+ and HP PCM
Weight5.88 kg
Technical specifications (continued)
Dimensions (W x D x H)442.5 x 365.8 x 43.9 mm
Latency1000 Mb latency below 2.9 µs (FIFO), 10 Gbps latency below 1.3 µs (FIFO)
ProcessorDual ARM1156T2S at 515 MHz
Number of ports29 ports or more
ManagedYes
Power supplyInternal power supply
PoE powerYes
Port speed1 Gbps (Gigabit)
Management levelLayer 3 (inter-VLAN routing)
PoE standardPoE+ (802.3at, up to 30 W/port)
Fibre slots (SFP)No
Mounting19-inch rack-mountable
Warranty1 year

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Under Law 09-08, you have the right to access, rectify and object to the processing of your personal data. This processing has been authorised by the CNDP under no. D-CE-389/2015. Learn more

Frequently asked questions about this product

How are the ports on the HP 2910-48G-PoE+ laid out?
44 Gigabit 10/100/1000 ports and 4 dual-personality ports, usable as Gigabit RJ-45 or as mini-GBIC slots for fibre. An RJ-45 serial console port completes the front panel for local management.
Does this switch route between VLANs?
Yes: it combines Layers 2 and 3, with IP routing, DHCP client and server, and a 2,000-entry routing table. Traffic between internal segments is handled within the switch, without going through the Internet access router.
What performance does this 48-port switch offer?
176 Gbps of switching capacity and up to 131 Mpps, with latency below 2.9 µs at Gigabit and 1.3 µs at 10 Gbps. It runs on a dual-core ARM1156T2S at 515 MHz with 512 MB of memory.
How do you manage this switch when the network is down?
Through out-of-band management over RS-232C serial, on the front-panel console port. In normal operation, the command-line interface, the web browser and the HP PCM+ console are available, with SNMP v1, v2c and v3 monitoring.
What monitoring tools does this switch provide?
sFlow, XRMON and four RMON groups — statistics, history, alarms and events —, with LLDP and LLDP-MED to discover neighbouring devices and IP phones. Port mirroring also lets you connect an analyser.
Does the HP 2910-48G-PoE+ support jumbo frames?
Yes, alongside flow control, rate limiting and broadcast storm control. Link aggregation and the Spanning Tree protocol provide redundancy for the uplinks.
How much electrical power should you plan for in the rack?
Up to 556 W, PoE+ included: this switch powers cameras, Wi-Fi access points and phones through its ports. The chassis weighs 5.88 kg and measures 442.5 × 365.8 × 43.9 mm, i.e. 1U high and 36 cm deep.
Is the switch new and covered by a warranty?
Yes, new equipment, with the invoice serving as the warranty document. This is the HP 2910-48G-PoE+ al, part number J9148A, stackable and designed for 19-inch rack mounting.

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